Ford TRactor 1710 hydraulic problem

I replaced a hydraulic line on the front end-loader on a Ford 1710 tractor ater it broke. AFterwards, I checked the hydraulic fluid in the resivour and it was still over full by about 1 to 1.5 inches so I didn't add any new fluid. When I start the tractor and run the front end loader up and down it works fine for about 2 to 4 minutes but then starts surging about 2 times a second. From what I've found online (very little) I may have air in the lines. I've been told that this system is self-bleeding and I should only have to move the bucket up and down and it should bleed itself. My problem is that it still surges and the bucket slows until it won't even move. Any ides? Can I add more fluid which is already about 2 inches above full but about 1 to 1.5 inches from the top of the case? Thanks, JR

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Best advice is for you to list this in Lawn and Garden or Construction equipment section for Tractors. There is a valve knob on a 4000 series that proportions hydraulic flow from more in back than front depending on the setting. If you have a front loader or if you have rear attachments you can get more action on the end you want. On a 4000 the knob is by the right heel of the driver. Could work like this for 7810.

All N-Series Tractors - Ford-Ferguson 9N, 2N, and Ford 8N ... 6 - How long has it been since you changed the hydraulic fluid? ... If that didn't do it, read on. ... then remove the bottom bolt from the inspection plate that has the hydraulic dip-stick.

I'd like to say that the reason I have an 8N Ford tractor is because that's the tractor ... The N tractors have a common sump for the rear end, hydraulic pump andtransmission. ... (Read the label.) .... Take the inspection plate with the dipstick off.

I had this problem too. I made the upgrades like you did,but I kept blowing seals. The solution is really simple, itseems that if you take it to a shop they figure it out rightaway. Where is all this information stored anyway?

One of the screws on the plate holding the power steeringhydraulic diverter (below the pump) needs to have a washerbetween the plate and the engine. I don't remember which oneit is but I think it might be the top one. This will bring the shafton the priority valve (same as diverter) in line with the seaton the pump. Without it they are not quite lined up leavinga gap for the fluid to shoot through and blow the seal. Also,makes it harder to get the thing together.